The serum concentration of Amodiaquine can be increased when it is combined with Ethinyl Estradiol. The metabolism of Dienogest can be decreased when combined with Ticlopidine. The therapeutic efficacy of Nateglinide can be decreased when used in combination with Dienogest. Ethinyl Estradiol may decrease the anticoagulant activities of Enoxaparin. The metabolism of Dienogest can be decreased when combined with Verapamil. The metabolism of Ethinyl Estradiol can be decreased when combined with Imatinib. The serum concentration of Dienogest can be increased when it is combined with Palbociclib. Dienogest may decrease the anticoagulant activities of Phenindione. Dienogest may decrease the anticoagulant activities of Phenprocoumon. The serum concentration of Selegiline can be increased when it is combined with Dienogest. The serum concentration of Dexamethasone can be increased when it is combined with Ethinyl Estradiol. The therapeutic efficacy of Nateglinide can be decreased when used in combination with Ethinyl Estradiol. The serum concentration of Pregnenolone can be increased when it is combined with Ethinyl Estradiol. The metabolism of Dienogest can be decreased when combined with Lovastatin. The serum concentration of Dienogest can be decreased when it is combined with Telaprevir. Ethinyl Estradiol may decrease the anticoagulant activities of Protein S human. The serum concentration of Clocortolone can be increased when it is combined with Ethinyl Estradiol. The serum concentration of Clobetasol can be increased when it is combined with Ethinyl Estradiol. The therapeutic efficacy of Reviparin can be decreased when used in combination with Dienogest. The serum concentration of Ethinyl Estradiol can be decreased when it is combined with Argatroban. Ethinyl Estradiol may decrease the anticoagulant activities of Protein C. The serum concentration of Ethinyl Estradiol can be decreased when it is combined with Delanzomib. The serum concentration of Ethinyl Estradiol can be decreased when it is combined with Lisinopril. The serum concentration of Dienogest can be decreased when it is combined with Carbamazepine. The therapeutic efficacy of Dienogest can be decreased when used in combination with Pentobarbital. The serum concentration of Ethinyl Estradiol can be decreased when it is combined with St. John's Wort. The serum concentration of Flibanserin can be increased when it is combined with Ethinyl Estradiol. Dienogest may increase the thrombogenic activities of Conestat alfa. The therapeutic efficacy of Phenformin can be decreased when used in combination with Ethinyl Estradiol. The serum concentration of Ethinyl Estradiol can be decreased when it is combined with S-3304. The serum concentration of Fluocinonide can be increased when it is combined with Ethinyl Estradiol. Rofecoxib may increase the thrombogenic activities of Ethinyl Estradiol. The metabolism of Dienogest can be decreased when combined with Delavirdine. The metabolism of Dienogest can be decreased when combined with Nilotinib. The therapeutic efficacy of Metformin can be decreased when used in combination with Ethinyl Estradiol. The serum concentration of Ethinyl Estradiol can be decreased when it is combined with Oxcarbazepine. The therapeutic efficacy of Dienogest can be decreased when used in combination with Tretinoin. The therapeutic efficacy of Exenatide can be decreased when used in combination with Dienogest. Ethinyl Estradiol may increase the thrombogenic activities of Human C1-esterase inhibitor. The serum concentration of Dienogest can be increased when it is combined with Itraconazole. The serum concentration of Ethinyl Estradiol can be decreased when it is combined with Enalapril. The metabolism of Ethinyl Estradiol can be decreased when combined with Idelalisib. The metabolism of Ethinyl Estradiol can be decreased when combined with Erythromycin. The serum concentration of Ethinyl Estradiol can be decreased when it is combined with Cobicistat. The therapeutic efficacy of Dienogest can be decreased when used in combination with Adapalene. The serum concentration of Ethinyl Estradiol can be decreased when it is combined with Imidapril. The therapeutic efficacy of Castanospermine can be decreased when used in combination with Dienogest. The therapeutic efficacy of Insulin Aspart can be decreased when used in combination with Dienogest. The therapeutic efficacy of Tolbutamide can be decreased when used in combination with Dienogest. The serum concentration of Tixocortol can be increased when it is combined with Ethinyl Estradiol. The serum concentration of Ethinyl Estradiol can be decreased when it is combined with Ecabet. The serum concentration of Betamethasone can be increased when it is combined with Ethinyl Estradiol. The metabolism of Dienogest can be increased when combined with Rifampicin. The therapeutic efficacy of Glibornuride can be decreased when used in combination with Ethinyl Estradiol. The metabolism of Ethinyl Estradiol can be decreased when combined with Olaparib. The therapeutic efficacy of Dienogest can be decreased when used in combination with Secobarbital. The serum concentration of Dienogest can be decreased when it is combined with Dabrafenib. The metabolism of Ethinyl Estradiol can be decreased when combined with Dihydroergotamine. The serum concentration of Dienogest can be decreased when it is combined with Rifapentine. The metabolism of Ethinyl Estradiol can be increased when combined with Nafcillin. The therapeutic efficacy of Vildagliptin can be decreased when used in combination with Dienogest. The metabolism of Ethinyl Estradiol can be decreased when combined with Fluvoxamine. The serum concentration of Selegiline can be increased when it is combined with Ethinyl Estradiol. The serum concentration of Ethinyl Estradiol can be decreased when it is combined with Omapatrilat. The serum concentration of Diflorasone can be increased when it is combined with Ethinyl Estradiol. The therapeutic efficacy of Buformin can be decreased when used in combination with Dienogest. The metabolism of Dienogest can be decreased when combined with Cyclosporine. The therapeutic efficacy of Rosiglitazone can be decreased when used in combination with Dienogest. The therapeutic efficacy of Ethinyl Estradiol can be decreased when used in combination with Isotretinoin. The therapeutic efficacy of Troglitazone can be decreased when used in combination with Dienogest. The therapeutic efficacy of Glimepiride can be decreased when used in combination with Dienogest. The serum concentration of Methylprednisolone can be increased when it is combined with Ethinyl Estradiol. The serum concentration of Dienogest can be increased when it is combined with Telithromycin. The therapeutic efficacy of Pioglitazone can be decreased when used in combination with Ethinyl Estradiol. The serum concentration of Dienogest can be decreased when it is combined with Siltuximab. The serum concentration of 5-androstenedione can be increased when it is combined with Ethinyl Estradiol. The serum concentration of Dienogest can be increased when it is combined with Ivacaftor. The serum concentration of Cortexolone 17α-propionate can be increased when it is combined with Ethinyl Estradiol. The therapeutic efficacy of Insulin Lispro can be decreased when used in combination with Dienogest. The serum concentration of Ethinyl Estradiol can be decreased when it is combined with Rufinamide. The serum concentration of Ethinyl Estradiol can be increased when it is combined with Vemurafenib. The serum concentration of Clobetasone can be increased when it is combined with Ethinyl Estradiol. The serum concentration of Ethinyl Estradiol can be decreased when it is combined with Ixazomib. The metabolism of Ethinyl Estradiol can be decreased when combined with Atazanavir. The metabolism of Ethinyl Estradiol can be increased when combined with Rifampicin. Dienogest may decrease the anticoagulant activities of Fluindione. The serum concentration of Dienogest can be decreased when it is combined with St. John's Wort. The therapeutic efficacy of Ethinyl Estradiol can be decreased when used in combination with Acitretin. Ethinyl Estradiol may decrease the anticoagulant activities of Edetic Acid. The serum concentration of Ethinyl Estradiol can be decreased when it is combined with Edoxaban. The therapeutic efficacy of Mitiglinide can be decreased when used in combination with Dienogest. The therapeutic efficacy of Dienogest can be decreased when used in combination with Acitretin. The therapeutic efficacy of Insulin Detemir can be decreased when used in combination with Ethinyl Estradiol. The therapeutic efficacy of Liothyronine can be decreased when used in combination with Ethinyl Estradiol. The serum concentration of Ethinyl Estradiol can be increased when it is combined with Fusidic Acid. The serum concentration of Ethinyl Estradiol can be decreased when it is combined with Felbamate. The serum concentration of Ethinyl Estradiol can be decreased when it is combined with Metreleptin. The therapeutic efficacy of Ethinyl Estradiol can be decreased when used in combination with Hexobarbital. The serum concentration of Ethinyl Estradiol can be decreased when it is combined with Thiorphan. Ethinyl Estradiol may decrease the anticoagulant activities of Ethyl biscoumacetate. The therapeutic efficacy of Antithrombin III human can be decreased when used in combination with Dienogest. The therapeutic efficacy of Dienogest can be decreased when used in combination with Alitretinoin. Ethinyl Estradiol may increase the dermatologic adverse activities of Tipranavir. The metabolism of Ethinyl Estradiol can be decreased when combined with Nilotinib. The therapeutic efficacy of Becaplermin can be decreased when used in combination with Dienogest. The serum concentration of Dienogest can be decreased when it is combined with Cholestyramine. The therapeutic efficacy of Ethinyl Estradiol can be decreased when used in combination with Sarilumab. The therapeutic efficacy of Dienogest can be decreased when used in combination with Thiopental. The serum concentration of Fluprednidene can be increased when it is combined with Ethinyl Estradiol. The serum concentration of Dienogest can be increased when it is combined with Ketoconazole. The therapeutic efficacy of Troglitazone can be decreased when used in combination with Ethinyl Estradiol. The serum concentration of Dienogest can be decreased when it is combined with Fosaprepitant. The serum concentration of Ethinyl Estradiol can be decreased when it is combined with Cholestyramine. The metabolism of Ethinyl Estradiol can be decreased when combined with Indinavir. The serum concentration of Ethinyl Estradiol can be decreased when it is combined with Colestipol. The serum concentration of Clobetasol propionate can be increased when it is combined with Ethinyl Estradiol. The therapeutic efficacy of Anastrozole can be decreased when used in combination with Ethinyl Estradiol. The therapeutic efficacy of Miglustat can be decreased when used in combination with Dienogest. The serum concentration of Dienogest can be increased when it is combined with Luliconazole. The therapeutic efficacy of Voglibose can be decreased when used in combination with Ethinyl Estradiol. The therapeutic efficacy of AICA ribonucleotide can be decreased when used in combination with Dienogest. The serum concentration of Dienogest can be increased when it is combined with Amiodarone. The metabolism of Ethinyl Estradiol can be decreased when combined with Darunavir. The serum concentration of Dienogest can be decreased when it is combined with Aprepitant. The therapeutic efficacy of Rivaroxaban can be decreased when used in combination with Dienogest. The serum concentration of Loteprednol can be increased when it is combined with Ethinyl Estradiol. The serum concentration of Ethinyl Estradiol can be decreased when it is combined with Elvitegravir. The therapeutic efficacy of Ethinyl Estradiol can be decreased when used in combination with Phenytoin. The therapeutic efficacy of Rosiglitazone can be decreased when used in combination with Ethinyl Estradiol. The serum concentration of Fluticasone furoate can be increased when it is combined with Ethinyl Estradiol.